JP2013017309A5

JP2013017309A5 -

Info

Publication number: JP2013017309A5
Application number: JP2011148510A
Authority: JP
Filing date: 2011-07-04
Publication date: 2014-08-14
Anticipated expiration: 2031-07-04

Description

本発明のステッピングモータの駆動制御装置は、ステッピングモータに励磁信号を印加する励磁手段と、前記ステッピングモータに流れる励磁電流を検出し、第１の励磁相に対応する前記励磁電流の波形において第１の基準時から設定電流値が検出されるタイミングまでの第１の時間差と、第２の励磁相に対応する前記励磁電流の波形において前記第１の基準時に対応する第２の基準時から前記設定電流値が検出されるタイミングまでの第２の時間差との差が減少するように前記励磁信号をフィードバック制御する制御手段と、を有することを特徴とする。 Drive control apparatus for a stepping motor of the present invention, an excitation means for applying an excitation signal to the stepping motor, and detects the exciting current flowing through the stepping motor, the first in the waveform of the exciting current corresponding to the first excitation phase a first time difference from the timing of the set current value from the time reference is detected, and the from the time the second reference corresponding to the previous SL during the first reference in the waveform of the exciting current corresponding to the second excitation phase setting current value and having a control means for feedback controlling the pre-Symbol excitation signal such that the difference is reduced between the second time difference from the timing to be detected.

Claims

Excitation means for applying an excitation signal to the stepping motor;
Wherein detecting the exciting current flowing in the stepping motor, a first time difference from the timing of the set current value from the time the first criterion is detected in the waveform of the exciting current corresponding to the first excitation phase, the second before such that the difference between the second time difference from the previous SL at the second reference corresponding to the time of the first reference in the waveform of the exciting current to the timing of the set current value is detected which corresponds to the excitation phase is reduced Control means for feedback control of the excitation signal;
A stepping motor drive control apparatus comprising:

Excitation means for applying an excitation signal to the stepping motor;
Wherein detecting the exciting current flowing through the stepping motor based on information about said detected excitation current, the information related to the rotation angle of the stepping motor in a predetermined time is acquired a plurality of times, the amount of variation of the rotation angle decreases and control means for feedback controlling the pre-Symbol excitation signal as,
A stepping motor drive control apparatus comprising:

3. The stepping motor according to claim 1, wherein the control unit feedback-controls the excitation signal by detecting the excitation current when the driving speed of the stepping motor is a predetermined speed. 4. Drive control device.

The control means, the difference between the first time difference and the second time difference when not greater than the predetermined value, characterized by feedback controlling said excitation signal based on the detected exciting current The stepping motor drive control device according to claim 1.

Wherein, when the variation amount of the rotation angle of the stepping motor is greater than a predetermined value, according to claim 2, characterized in that the feedback control of the excitation signal based on the detected exciting current Stepping motor drive control device.

Wherein, prior Symbol the stepping motor according to any one of claims 1 to 5 retardation or amplitude ratio of the excitation signal and wherein the excitation signal to the feedback control so as to change Control device.

The control means according to any one of claims 1 to 5, characterized in that feedback control of the excitation signal as 180 degree position relative to 0 degree position of the exciting current for each excitation磁相deviates Stepping motor drive control device.

Stepping motor drive control apparatus according to any one of claims 1 to 7, further comprising a current detecting means for detecting the exciting current flowing through the stepping motor.

A drive control device for a stepping motor according to any one of claims 1 to 8 ,
An optical apparatus comprising a stepping motor .

A stepping motor drive control device according to any one of claims 1 to 7,
A measuring device with a current detection means for detecting the exciting current flowing through the stepping motor,
A drive control system comprising:

Applying an excitation signal to the stepping motor;
Detecting the exciting current flowing through the stepping motor,
A first time difference to the set current value from the time the first criterion is detected in the waveform of the exciting current corresponding to the first excitation phase, before the waveform of the exciting current corresponding to the second excitation phase Feedback controlling the excitation signal so that a difference from a second time difference from a second reference time corresponding to the first reference time to a timing at which the set current value is detected decreases;
A stepping motor drive control method comprising:

Applying an excitation signal to the stepping motor;
Detecting the exciting current flowing through the stepping motor,
Obtaining a plurality of information on the rotation angle of the stepping motor at a predetermined time based on the information on the excitation current; and
Feedback controlling the excitation signal such that the amount of fluctuation of the rotation angle is reduced;
A stepping motor drive control method comprising: